To make blue ice cubes, add a few drops of b’Lure into each hole of an ice cube tray, top up with water and freeze. You’ll need to crush the ice cubes for this recipe – a good old bash with a rolling pin inside a cocktail tin does the trick.

To make the sugar syrup, mix 1 part warm water with 1 part sugar. For example, 25ml water and 25g sugar.